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Northwestern California
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North Coast |
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Klamath Ranges |
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North Coast Ranges
Outer
High
Inner |
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Cascade Ranges
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Cascade Range Foothills |
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High Cascade Range |
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Sierra Nevada
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Sierra Nevada Foothills
Northern
Central
Southern |
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High Sierra Nevada
Northern
Central
Southern |
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Tehachapi Mountains |
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Great Central Valley
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Sacramento Valley |
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San Joaquin Valley |
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Central Western California
|
| |
Central Coast |
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San Francisco Bay Area |
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South Coast Ranges
Outer
Inner |
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Southwestern California
|
| |
South Coast |
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Channel Islands
Northern
Southern |
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Transverse Ranges
Western
San Gabriel
San Bernardino |
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Peninsular Ranges
San Joaquin Mountains |
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Desert Province
|
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Mojave Desert |
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Desert Mountains |
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Sonoran Desert |
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Great Basin Province
|
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Modoc Plateau |
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Warner Mountains |
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East of Sierra Nevada |
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White and Inyo Mountains |